[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

EP0401541A1 - Schlüssel, der eine Haltefläche aus Kunstharz aufweist - Google Patents

Schlüssel, der eine Haltefläche aus Kunstharz aufweist Download PDF

Info

Publication number
EP0401541A1
EP0401541A1 EP90108943A EP90108943A EP0401541A1 EP 0401541 A1 EP0401541 A1 EP 0401541A1 EP 90108943 A EP90108943 A EP 90108943A EP 90108943 A EP90108943 A EP 90108943A EP 0401541 A1 EP0401541 A1 EP 0401541A1
Authority
EP
European Patent Office
Prior art keywords
key
synthetic resin
gripping portion
gripping
thickness
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP90108943A
Other languages
English (en)
French (fr)
Inventor
Masaji Terada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP34408689A external-priority patent/JPH03206272A/ja
Priority claimed from JP3756890U external-priority patent/JPH03128176U/ja
Priority claimed from JP3981790U external-priority patent/JPH03129672U/ja
Application filed by Individual filed Critical Individual
Publication of EP0401541A1 publication Critical patent/EP0401541A1/de
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14336—Coating a portion of the article, e.g. the edge of the article
    • B29C45/14426—Coating the end of wire-like or rod-like or cable-like or blade-like or belt-like articles
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B19/00—Keys; Accessories therefor
    • E05B19/26—Use of special materials for keys

Definitions

  • This invention relates to a key having a gripping portion made of synthetic resin (including synthetic rubber).
  • FIG. 16 and Fig. 17 A key 10 in which synthetic resin is used for the conventional gripping portion is shown in Fig. 16 and Fig. 17.
  • the thickness "h" of the gripping portion 11 made of synthetic resin is thicker by three or four times than the thickness "t" of the blade portion 13 (so-called “key shank") on which key serrations are formed on both the sides thereof in use. This is because in the case that the gripping portion 11 is composed of synthetic resin it is necessary that the gripping portion 11 is so formed to have a fixed thickness that the inserting portion of the key body 12, which is formed at the base end portion of the blade portion 13 can be covered thereby.
  • the first object of the present invention to provide a key of which gripping portion made of synthetic resin is formed to be thin and not to be bulky.
  • a key having a gripping portion made of synthetic resin pertaining to the first invention according to the objects, comprises a metal-made key body consisting of a blade portion on which key serrations are formed in use and an inserting portion integrally provided at the base end portion of the corresponding blade portion, and a gripping portion made of synthetic resin to cover the outside of the corresponding inserting portion, wherein the thickness of the inserting portion is made thinner than that of the blade portion and the thickness of the gripping portion made of synthetic resin is composed to be 0.9 through 1.3 times the thickness of the blade portion.
  • the inserting portion of a metal-made key body is made thinner than the blade portion in a key having a gripping portion made of synthetic resin according to the first invention, the thickness of the synthetic resin portion which is formed on and below the inserting portion can be secured even though the thickness of the gripping portion is made thin, thereby causing the thickness of the gripping portion to be made 0.9 through 1.3 times the thickness of the blade portion and a key of which gripping portion which is thin as whole is made of synthetic resin to be provided. Therefore, the key is not bulky.
  • a key having a gripping portion made of synthetic resin according to the second invention is provided, between the blade portion and the inserting portion, with a reinforcement portion of which width is wider than that of the blade portion in a key according to the first invention, wherein such an inserting portion as is thinner than the blade portion and the width thereof is equivalent to or wider than that of the reinforcement portion can be formed by way of the reinforcement portion.
  • a key of which gripping portion made of synthetic resin according to the third invention is so composed that in a key according to the first and the second inventions a metal-made inserting portion is exposed to inside a hole for mounting a key ring formed inwardly of the gripping portion.
  • a key having a gripping portion made of synthetic resin according to the fourth invention is so composed that in the above first, second and third inventions the thickness of the gripping portion can be roughly equivalent to the thickness of the blade portion, thereby causing the key to be used with a sense almost similar to a conventional plate-like key and furthermore causing the key body to be given many kinds of color in comparison with the conventional metal-made key.
  • a key having a gripping portion made of synthetic resin according to the fifth invention is so composed that in the above first, second and third inventions the thickness of the gripping portion can be 1 through 1.3 times the thickness of the blade portion and the gripping portion can be formed to be swelled a little at the middle portion thereof.
  • the synthetic resin includes synthetic rubber, and the synthetic resin of the gripper portion is not a mono color but may have a plurality of colors.
  • a key 14 having a gripping portion made of synthetic resin consists of a metal-made key body 15 and a gripping portion 16 made of synthetic resin, which is attached to the key body 15.
  • the ensuing description explains in details.
  • the metal-made key body 15 may be made of brass which is one of the examples of metal materials (stainless steel, copper, titan, steel, aluminum, white copper alloy or other metal or alloy thereof may be used for brass. This is the same in the following description hereof), and the outer surface of the metal material is plated with silver (gold plating, nickel plating, chrome plating or other plating is also available).
  • the key body 15 is provided with a blade portion 17 in which serration is provided in use and an inserting portion 18 integrally attached to the blade portion 17. The inserting portion 18 is inserted into the gripping portion 16 made of synthetic resin.
  • the plate thickness of the blade portion is 1.2 through 4mm or so, and the thickness of the inserting portion 18 to be inserted into the gripping portion 16 is about 40% through 80% of the thickness of the blade portion (usually, 0.48mm through 3.2mm thick) and is gradually tapered to become narrow toward the tip end thereof.
  • the gripping portion 16 is provided with a slot 15a which is an example of a hole for mounting a key ring
  • the material of the gripping portion 16 is made of either of polyether imide resin, polycarbonate resin, polyether sulfone resin, polybutylene terephthalate resin, polyphenylene sulfide resin, polysulfone resin, polyethylene phthalate resin, polyacetal resin, polyamide resin, polypropyrene resin, methacrylic resin, metamorphic PPE resin, ABS resin, AS resin or complex material of the above synthetic resin with glass fiber, complex material which is produced by mixing aluminum powder or stainless steel powder with the above synthetic resin, natural rubber or synthetic rubber (The material of the synthetic resin of the gripping portion is the same as above in all the embodiments after the second embodiment described in the ensuing description).
  • a notched portion 19 of which plane is the same as that of the inserting portion 18 is formed at the part to jointed together with the inserting portion 18.
  • caps 20 and 21 made of synthetic resin are placed thereon from the upper side and the lower side thereof, and all of which are jointed together by adhesive or jointed together by a ultrasonic jointing method.
  • a hole 22 is formed at the inserting portion 18 for preventing the blade portion 17 from coming off from the gripping portion 16, in which a column-like projection 23 provided at either of the caps 20 or 21 or at both thereof can be inserted and fitted. And the projection 23 is heat-sealed or fixed thereto with adhesive.
  • the inserting portion is gradually tapered to be narrow toward the tip end thereof, it is possible that the inserting portion is made parallel or tapered to be widened toward the tip end thereof.
  • Fig. 3 shows a partially sectional view of a key 24 having a gripping portion made of synthetic resin, according to the second example of the embodiments of the invention.
  • a mounting hole 26 into which the inserting portion 18 of the metal-made key body 15 is inserted is formed at the gripping portion 25, and the inserting portion 18 is jointed to the mounting hole 26 by adhesive or heat seal.
  • the key body 15 and the gripping portion 25 are jointed together with each other by inserting and fixing a column-like set pin 27 made of synthetic resin in a hole 22 formed at the inserting portion 18.
  • a reinforcement portion 32 which is widened to both the sides of the blade portion is formed at the base end portion of the blade portion 30 on which key serration is made in use, i.e., at the middle between the blade portion 30 and the inserting portion 31.
  • the thickness of the inserting portion 31 is 40 through 80% of the blade portion 30 and is smaller in size than the gripping portion 33, and the inserting portion 31 is provided with a considerably long slot 34 which will be for accommodating a key ring and two small openings 35 and 36.
  • the thickness of the gripping portion 33 made of synthetic resin, which covers the inserting portion 31 is roughly equivalent to that of the blade portion 30.
  • the gripping portion 33 is so injection-molded by injection molding of liquid type synthetic resin material that the inserting portion 31 can be covered.
  • a two-split type gripping portion which has been molded to an appointed shape in advance is prepared, and the gripping portion and the inserting portion 31 are adhered and fixed together with adhesive or by an electromagnetic heating method or a ultrasonic wave heating method.
  • the gripping portion 33 is made of synthetic resin of which color tone is different from that of a metal-made key body 37.
  • the thickness of the gripping portion 33 is equivalent to that of the blade portion 30, there is an excellent feature that the keys according to the invention do not become bulky even though a plurality of keys are attached to a key ring.
  • the keys according to the invention are very scarcely damaged or broken at the jointing portion between the gripping portion 33 and the inserting portion 31, that is, at the part forming the inserting portion 31 by forming a stage at the key body 37.
  • the ensuing description explains the difference between a key 39 having a gripping portion made of synthetic resin, according to the fourth example of the embodiments of the invention shown in Fig.6 and Fig.7 and the key 29 having a gripping portion made of resin.
  • the thickness of the inserting portion 41 of the metal-made key body 40 is 40 through 80% of the thickness of the blade portion 30, and the thickness of the gripping portion 45 is 0.9 through 1.3 times the thickness of the blade portion 30.
  • the area of the inserting portion 41 is comparatively small and is integrally jointed together with the blade portion 30 by way of a reinforcement portion 32 which is widened toward both the sides thereof.
  • Fig. 8 and Fig.9 show keys 46 and 47 having a gripping portion made of synthetic resin, according to the fifth and the six examples of the embodiments of the invention, respectively.
  • the thickness of the inserting portions 50 and 51 of the metal-made key bodies 48 and 49 is 40 % through 80% of the thickness of the blade portion 52 and 52a, and the gripping portions 53 and 54 which are made of synthetic resin can cover the inserting portions 50 and 51 are roughly equivalent to the thickness of the blade portion 52 and 52a, respectively.
  • the reinforcement portion 55 which is located at the middle between the inserting portion 50 and the blade portion 52 extends toward both the sides of the gripping portion 53 and forms a wide and tough inserting portion 50 which is provided with three circular holes 56.
  • the reinforcement portion 57 which is located at the middle between the inserting portion 51 and the blade portion 52a is wide and arc-shaped, and the inserting portion 51 to be connected to the gripping portion is provided with a slot 58.
  • the inserting portions 50 and 51 are reinforced by reinforcement portions 55 and 57, thereby causing easy-to-use keys having a thin gripping portion 53 or 54 to be provided.
  • a key having a gripping portion made of synthetic resin according to one of the embodiments of the invention is so composed that the key 60 comprises a metal-made key body 63 which is provided with a blade portion 61 on which key serrations are formed in use and an inserting portion 62 integrally jointed to the blade portion 61, of which thickness is formed to be thinner than the blade portion 61, and a synthetic resin made gripping portion 64 into which the inserting portion 62 is inserted.
  • the key body 63 is made of such machinable metal as brass, steel, copper, stainless steel, aluminum, white copper alloy, etc., thereby causing both the sides of the blade portion 61 to be machined for key serrations. And the thickness of the inserting portion 62 integrally secured to the blade portion 61 is made to be thinner by 40% through 80% than the thickness of the blade portion 61.
  • the blade portion 61, the reinforcement portion 65 and the inserting portion 62 are integrally made of the same metal.
  • the inserting portion may be weakened in strength if the thickness thereof is made thinner than the blade portion 61, it is possible that only the inserting portion 62 is made of stainless steel, steel or the like which has reasonable strength, the blade portion 61 is made of brass, etc. and they are welded together.
  • both the inserting portion 62 and the blade portion 61 can be welded at the boundary thereof, and they can be welded together at such a part as have somewhat thickness as shown with a two-dashed line 66 in Fig. 10.
  • the gripping portion 64 is so composed as to cover the whole inserting portion 62 and is made of synthetic resin or synthetic rubber.
  • the jointing portion between the gripping portion 64 and the reinforcement portion 65 is of the same level of height, the surface and the rear surface of the gripping portion 64 are made to be swelled (by 100mm through 1000mm at the sectional radius) at the middle thereof, and the maximum height thereof is 1.1 to 1.3 times the blade portion 61.
  • a die having a shape of the gripping portion 64 is to be prepared in advance, and a key body 63 which is mass-produced in advance is placed and synthetic resin is injected in the die.
  • all the gripping portions 64 is molded as one. Therefore, there is an advantage that the molding thereof can be easily carried out.
  • a hole for mounting a key ring is indicated by 67 in the Figure.
  • one end of the gripping portion may be lifted up by pushing the other end thereof, thereby causing the key 60 having a gripping portion made of synthetic resin to be easily picked up.
  • the key 68 having a gripping portion made of synthetic resin is composed of a metal-made key body 74 and a gripping portion 72 which is mounted to the inserting portion 70 of the key body 74.
  • the thickness of the inserting portion 70 which is integrally jointed to the blade portion 69 is made to be 0.4 through 0.8 times the thickness of the blade portion 69.
  • a reinforcement portion 71 which is made sufficiently wider than the width of the blade portion 69 is formed at the middle between the blade portion 69 and the inserting portion 70, that is., at the base end side of the blade portion 69, thereby causing the width of the inserting portion 70 to be sufficiently secured.
  • the gripping portion 72 can cover almost the whole inserting portion 70, and the thickness thereof is roughly equivalent to (the range from 1.0 through 1.3 times is available) the thickness of the reinforcement portion 71, and the jointing portion between the gripping portion 72 and the reinforcement portion 71 is of the same level of height.
  • the surface and the rear surface of the gripping portion 72 are formed to be swelled at the middle thereof (by 100 through 1000mm at the sectional radius) and the maximum height thereof is 1.1 to 1.3 times the height of the blade portion 69.
  • a slot 73 which is an example of a hole for mounting a key ring is formed at the corresponding gripping portion 72.
  • the above metal-made inserting portion 70 is exposed inwardly of the slot.
  • a die having a shape of the gripping portion 72 is to be prepared in advance, and a key body 7in which is mass-produced in advance is placed and synthetic resin is injected in the die.
  • the inserting portion 70 which is exposed to the slot 73 can be supported by the die, the inserting portion 70 is not pushed and does not move by the synthetic resin which will be injected.
  • the molding can be carried out under such a condition that the inserting portion 70 can be placed at the middle of the gripping portion 72.
  • all the gripping portions 72 can be molded as one, there is an advantage that the injection molding can be easily conducted.
  • a metal­made inserting portion is exposed to the whole circumstance of the slot for mounting a key ring, it is possible to expose the inserting portion partially (for instance, only to one side of the slot).
  • the gripping portions 64 and 72 are so made as to be swelled at the middle thereof in the above embodiments, they can be made to be flat, too.
  • the thickness of the blade portion, the reinforcement portion and the gripping portion are made roughly equivalent thereto each other. It is possible to set the thickness thereof in the range from 0.9 to 1.3 times according to the uses.
  • the thickness of the gripping portion is 0.9 through 1.3 times the thickness of the blade portion, it is possible to provide the keys of which gripping portion does not become bulky even though a plurality of keys are mounted in a key holder.
  • the color of the gripping portion can be changed according to the uses.
  • the inserting portion which is made thin can be widened, the key can sufficiently stand against twisting and torque, which may be generated in using a key, and it is possible to provide a key of longer service life, having a gripping portion made of synthetic resin.
  • a metal-made inserting portion is exposed inwardly of a hole for mounting a key ring, it becomes remarkably easy to conduct insert-molding and furthermore there is an advantage that the circumstance of the hole for mounting a key ring in use is hardly free from any flaw or damage.
  • the thickness of the gripping portion is roughly equivalent to the thickness of the blade portion, it can be used with also the same feeling as that of the conventional metal made keys.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Supports Or Holders For Household Use (AREA)
EP90108943A 1989-05-15 1990-05-11 Schlüssel, der eine Haltefläche aus Kunstharz aufweist Withdrawn EP0401541A1 (de)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP56062/89U 1989-05-15
JP5606289 1989-05-15
JP34408689A JPH03206272A (ja) 1989-12-30 1989-12-30 ホルダー部に合成樹脂を使用した鍵
JP344086/89 1989-12-30
JP37568/90U 1990-04-06
JP3756890U JPH03128176U (de) 1990-04-06 1990-04-06
JP39817/90U 1990-04-12
JP3981790U JPH03129672U (de) 1990-04-12 1990-04-12

Publications (1)

Publication Number Publication Date
EP0401541A1 true EP0401541A1 (de) 1990-12-12

Family

ID=27460442

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90108943A Withdrawn EP0401541A1 (de) 1989-05-15 1990-05-11 Schlüssel, der eine Haltefläche aus Kunstharz aufweist

Country Status (1)

Country Link
EP (1) EP0401541A1 (de)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0648589A1 (de) * 1993-10-19 1995-04-19 TRW SIPEA S.p.A. Verfahren zur Herstellung eines Schlüssels, insbesondere eines Zündschlüssels eines Kraftfahrzeuges und so hergestellter Schlüssel
US5819568A (en) * 1996-11-12 1998-10-13 Audiovox Corporation Key element/key FOB unit housing signal transmitter
DE4214691C2 (de) * 1992-05-02 2001-07-26 Huelsta Werke Huels Kg Mehrteiliger Schlüssel mit dämpfender Kappe
US6308542B1 (en) * 1996-10-11 2001-10-30 Ortech Co. Key assemblies and methods of making same
US6367298B1 (en) * 1993-08-26 2002-04-09 Strattec Security Corporation Key assembly for vehicle ignition locks
US6427504B1 (en) 1993-08-26 2002-08-06 Strattec Security Corporation Key assembly for vehicle ignition locks
AT514536A1 (de) * 2013-05-14 2015-01-15 Evva Sicherheitstechnologie Schlüssel zum Betätigen eines Schließzylinders sowie Kombination des Schlüssels mit dem Schließzylinder

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2155988A (en) * 1984-03-15 1985-10-02 Bauer Kaba Ag Mechanical/electronic key

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2155988A (en) * 1984-03-15 1985-10-02 Bauer Kaba Ag Mechanical/electronic key

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4214691C2 (de) * 1992-05-02 2001-07-26 Huelsta Werke Huels Kg Mehrteiliger Schlüssel mit dämpfender Kappe
US6367298B1 (en) * 1993-08-26 2002-04-09 Strattec Security Corporation Key assembly for vehicle ignition locks
US6367299B1 (en) 1993-08-26 2002-04-09 Strattec Security Corporation Key assembly for vehicle ignition locks
US6427504B1 (en) 1993-08-26 2002-08-06 Strattec Security Corporation Key assembly for vehicle ignition locks
US6948344B2 (en) 1993-08-26 2005-09-27 Strattec Security Corporation Key assembly for vehicle ignition locks
EP0648589A1 (de) * 1993-10-19 1995-04-19 TRW SIPEA S.p.A. Verfahren zur Herstellung eines Schlüssels, insbesondere eines Zündschlüssels eines Kraftfahrzeuges und so hergestellter Schlüssel
US6308542B1 (en) * 1996-10-11 2001-10-30 Ortech Co. Key assemblies and methods of making same
US5819568A (en) * 1996-11-12 1998-10-13 Audiovox Corporation Key element/key FOB unit housing signal transmitter
US5855050A (en) * 1996-11-12 1999-01-05 Audiovox Corporation System for installing a signal transmitter to a key
AT514536A1 (de) * 2013-05-14 2015-01-15 Evva Sicherheitstechnologie Schlüssel zum Betätigen eines Schließzylinders sowie Kombination des Schlüssels mit dem Schließzylinder
EP2803791A3 (de) * 2013-05-14 2016-07-06 Evva Sicherheitstechnologie GmbH Schlüssel zum Betätigen eines Schließzylinders sowie Kombination des Schlüssels mit dem Schließzylinder

Similar Documents

Publication Publication Date Title
EP0401541A1 (de) Schlüssel, der eine Haltefläche aus Kunstharz aufweist
US20040089770A1 (en) Fixing member for fixing an object to be attached to a plate and clamp with the fixing member
US8113808B2 (en) Two-color molding equipment and two-color molded product
US5099665A (en) Key having a gripping portion made of synthetic resin
EP0886291B1 (de) Folientastatur und deren Herstellungsmethoden
US4467522A (en) Process for manufacturing plastic containers incorporating a heat disperser for integrated circuits
US4986100A (en) Key using a synthetic resin bow
WO1990005821A1 (en) Key using synthetic resin
EP1310343A1 (de) Verbundkörper und Verfahren zu seiner Herstellung
US5655929A (en) Insert terminal, molding apparatus for molding same and method for molding same
JP4486439B2 (ja) 樹脂キートップ及びその製造方法
US3835560A (en) Indexing pointer for list finders
EP0340048A2 (de) Schlüssel und Schlüsselhalter
CN217788855U (zh) 水晶头
KR200181168Y1 (ko) 맞물림식 파스너 부재
WO1990014483A1 (fr) Cle pourvue d'une partie de saisie en resine synthetique
JPH0686271U (ja) コネクタ
US6237220B1 (en) Method for manufacturing elastic strips, pin holders and similar plug-in connectors
JP4219101B2 (ja) インサート部品を有する樹脂成形品の製造法
CN216255636U (zh) 手套模
JP4227722B2 (ja) 光コネクタ用変換アダプタ
CN212931702U (zh) 一种一体式热电偶连接塑帽及带有该连接塑帽的热电偶
CN210527270U (zh) 一种桶盖及茶叶桶
CN115431467A (zh) 电镀涂覆构件中的涂覆接触
JPH0376975A (ja) 鍵

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): DE ES FR GB IT NL

17P Request for examination filed

Effective date: 19901228

17Q First examination report despatched

Effective date: 19921029

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19921201